Selecting the Commands icon will open up the pane shown in the following screenshot, which contains a list of available commands, including operations for files and consoles, and information on help and support:

The HELP section is particularly useful as it contains links to documentation on a variety of useful topics. You can view the guides directly within JupyterLab, as shown in the following screenshot:

As illustrated in the preceding screenshot, JupyterLab Documentation is fully accessible from the HELP section and within the main work area.